Fig. 1From: Regression models for predicting physical and EQD2 plan parameters of two methods of hybrid planning for stage III NSCLCAnatomical geometry features shown on CT images and min distance view’s DRR images. a Min distance’s view of PTVPT and heart (the view direction is vertical to the centers’ connection of PTVPT and heart on CT slice); b Min distance(PT to heart) shown on corresponding min distance view’s DRR image; c Volume ratio of overlapping structure(heart and LN) to heart or PTVLN; d Min distance(PT to LN) and overlapping slices thickness(PT and LN) shown on corresponding min distance view’s DRR image; e Volume ratio of overlapping structure(ESO and LN) to ESO; and f Min distance(PT to ESO) shown on corresponding min distance view’s DRR imageBack to article page